25213124 has 6 divisors (see below), whose sum is σ = 44122974. Its totient is φ = 12606560.

The previous prime is 25213109. The next prime is 25213127. The reversal of 25213124 is 42131252.

It can be written as a sum of positive squares in only one way, i.e., 24601600 + 611524 = 4960^2 + 782^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25213096 and 25213105.

It is not an unprimeable number, because it can be changed into a prime (25213127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3151637 + ... + 3151644.

It is an arithmetic number, because the mean of its divisors is an integer number (7353829).

Almost surely, 2^25213124 is an apocalyptic number.

It is an amenable number.

25213124 is a deficient number, since it is larger than the sum of its proper divisors (18909850).

25213124 is a wasteful number, since it uses less digits than its factorization.

25213124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303285 (or 6303283 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 25213124 is about 5021.2671707449. The cubic root of 25213124 is about 293.2303282735.

Adding to 25213124 its reverse (42131252), we get a palindrome (67344376).

The spelling of 25213124 in words is "twenty-five million, two hundred thirteen thousand, one hundred twenty-four".